The classic science fiction–horror manga from the mind of Kazuo Umezz, creator of The Drifting Classroom, Orochi, and Cat-Eyed Boy!When Satoru is dragged off to Niigata and Marin to England, the robot Monroe is left alone at the factory. The abandoned Monroe then escapes, leaving all three friends to face the world without one another. When Satoru is dragged off to Niigata and Marin to England, the robot Monroe is left alone at the factory. The abandoned Monroe then escapes, leaving all three friends to face the world without one another.